
ROWS
E X1
E X2
E X3
N COST

COLUMNS
Y1  X1  2   X2  -1
Y1  X3  3   COST  1
Y2  X1  -3   X2  2
Y2  X3  -5   COST  -1
Y3  X1  1   X2  1
Y3  COST  2

RHS
B   X1  3  X2  -1
B   X3  4
ENDATA